Home / 38,200.65-52,717.35-21,205.23

Finding the Fourth Proportional to 38,200.65, 52,717.35 and 21,205.23

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Solution

The fourth proportional to 38,200.65, 52,717.35 and 21,205.23 is: 29,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.65 : 52,717.35 = 21,205.23 : x
  2. Step 2: Convert to fraction form
    38,200.65/52,717.35 = 21,205.23/x
  3. Step 3: Cross multiply
    38,200.65x = 52,717.35 × 21,205.23
  4. Step 4: Simplify right side
    38,200.65x = 1,117,883,531.74
  5. Step 5: Solve for x
    x = 1,117,883,531.74/38,200.65
  6. Step 6: Final answer
    x = 29,263.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.